Temporal Variation and Production Plan: A Corpus Analysis of [tʃ] and [tʃh] in Korean
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초록
It is well-known that segmental durations greatly vary depending on many linguistic factors such as positions within words amongst others. By adopting the corpus-based analysis of The Korean Corpus of Spontaneous Speech (Yun et al. 2015), we examine the acoustic properties of the two phones of [tʃ] and [tʃh] in Korean and to understand the various nature of the sounds. We argue that even positionally-identical phones reveal various durational properties according to the grammatical rule application. Specifically, both [tʃ] and [tʃh] emerge on the surface but they may be either (i) same as the UR /tʃ/ or /tʃh/ → [tʃ] or [tʃh], i.e., canonical [tʃ] and [tʃh] with no rule application, or (ii) different from UR /t/ or /th/ → [tʃ] or [tʃh], i.e., derived [tʃ] and [tʃh] generated after palatalization rule application. The corpus analysis showed that the derived [tʃ] and [tʃh] was significantly longer than the canonical ones and this temporal variation is attributed to the consideration of grammatical components. It is suggested that speakers plan their production differently depending on whether or not they apply grammatical rules during the production process and they arrange articulators accordingly, which partly leads to the temporal variations of [tʃ] and [tʃh].
Abstract
It is well-known that segmental durations greatly vary depending on many linguistic factors such as positions within words amongst others. By adopting the corpus-based analysis of The Korean Corpus of Spontaneous Speech (Yun et al. 2015), we examine the acoustic properties of the two phones of [tʃ] and [tʃh] in Korean and to understand the various nature of the sounds. We argue that even positionally-identical phones reveal various durational properties according to the grammatical rule application. Specifically, both [tʃ] and [tʃh] emerge on the surface but they may be either (i) same as the UR /tʃ/ or /tʃh/ → [tʃ] or [tʃh], i.e., canonical [tʃ] and [tʃh] with no rule application, or (ii) different from UR /t/ or /th/ → [tʃ] or [tʃh], i.e., derived [tʃ] and [tʃh] generated after palatalization rule application. The corpus analysis showed that the derived [tʃ] and [tʃh] was significantly longer than the canonical ones and this temporal variation is attributed to the consideration of grammatical components. It is suggested that speakers plan their production differently depending on whether or not they apply grammatical rules during the production process and they arrange articulators accordingly, which partly leads to the temporal variations of [tʃ] and [tʃh].
참고문헌 (18)
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